Pogostemon cablin

HerbaPogostemosis

Cablin Potchouli herb

[alias] leileileicao and Huoxiang.

[source] the aerial part of Pogostemon cablin (Blanco) Benth.

[plant morphology] perennial herb or shrub, 30-100cm high, with aroma when kneaded. The stem is erect, the upper part is much branched, the old branch is stout, nearly round; the young branch is square, densely covered with grayish yellow pilose. Leaves opposite, round to broadly ovate, 2-10 cm long and 2.5-7 cm wide, apex short pointed or obtuse, base cuneate or heart-shaped, margin with thick obtuse teeth or sometimes split, both sides hairy, especially on veins; petiole 1-6 cm long, hairy. Cymes densely pseudospike, densely pubescent; calyx tubular, 5-toothed; corolla purple, 4-lobed, anterior lobes extending forward; stamens 4, middle filaments with long hairs, anthers 1-locular. Nutlets subglobose, slightly compressed. Flowers are rare in China.

It is native to Asia, Philippines and other subtropical regions. It is mainly produced in Guangdong and Hainan in China.

[picking] when the branches and leaves are luxuriant, they are picked and cut, exposed to the sun at night, and repeated until dry.

[chemical constituents] it contains volatile oil. The main components of the oil are patchoulol, α -, β - and γ - patchoulene, α - guaiene, α - bulnesene, pogostone, eugenol, patchoulipyridine, etc.

[nature and taste] mild in nature and pungent in taste.

[function indications] aromatic turbidity, appetizer stop vomiting, heat. It is used for dampness obstruction, abdominal distension vomiting, summer dampness fatigue, chest tightness, cold dampness heat closure, abdominal pain vomiting and diarrhea, nasopharynx headache.